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Normas DIN – AENOR
DIN ISO 127:2008-06

DIN ISO 127:2008-06

Rubber, natural latex concentrate - Determination of KOH number (ISO 127:1995 + Amd. 1:2006)

Latex concentré de caoutchouc naturel - Détermination de l'indice de potasse (ISO 127:1995 + Amd. 1:2006)

Naturkautschuk-Latex-Konzentrat - Bestimmung der KOH-Zahl (ISO 127:1995 + Amd. 1:2006)

Fecha Anulación:
2014-03 /Withdrawn
Equivalencias internacionales:

ISO 127 AMD 1 (2006-02)

ISO 127 (1995-12)

Relación con otras normas DIN:

Reemplaza a: DIN ISO 127:2006-10

Reemplazada por: DIN ISO 127:2014-03

Reemplaza a: DIN ISO 127:1999-04

Resumen:
The document specifies a method for the determination of the KOH number of natural rubber latex concentrate which is preserved wholly or in part with ammonia. The method is applicable to latices containing boric acid. The method is not applicable to latices preserved with potassium hydroxide. It is not necessarily suitable for latics from natural sources other than Hevea brasiliensis or for latics of synthetic rubber, compounded latex or artifical dispersions of rubber.
Keywords:
Chemical analysis and testing, Concentrates, Definitions, KOH number, Latices, Materials testing, Methods, Natural rubber, Natural rubber latex, pH measurement, Reagents, Rubber, Rubber mixture, Saponification number, Test reports, Testing, Vulcanized materials
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